Added wxPrivateDropTarget

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1402 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/dataobj.h

@@ -138,11 +138,9 @@ class wxPrivateDataObject : public wxDataObject
 
 public:
 
-  wxPrivateDataObject() 
-    { m_size = 0; m_data = (char*) NULL; }
+  wxPrivateDataObject();
     
-  ~wxPrivateDataObject()
-    { if (m_data) delete[] m_data; }
+  ~wxPrivateDataObject();
   
   virtual wxDataFormat GetFormat() const
     { return wxDF_PRIVATE; }

include/wx/gtk/dnd.h

@@ -43,6 +43,7 @@ class wxWindow;
 class wxDropTarget;
 class wxTextDropTarget;
 class wxFileDropTarget;
+class wxPrivateDropTarget;
 
 class wxDropSource;
 
@@ -90,6 +91,36 @@ class wxTextDropTarget: public wxDropTarget
     virtual wxDataFormat GetFormat(size_t n) const;
 };
 
+//-------------------------------------------------------------------------
+// wxPrivateDropTarget
+//-------------------------------------------------------------------------
+
+class wxPrivateDropTarget: public wxDropTarget
+{
+public:
+
+  wxPrivateDropTarget();
+  
+  // you have to override OnDrop to get at the data
+    
+  // the string ID identifies the format of clipboard or DnD data. a word
+  // processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
+  // to the clipboard - the latter with the Id "WXWORD_FORMAT".
+    
+  void SetId( const wxString& id )
+      { m_id = id; }
+    
+  wxString GetId()
+      { return m_id; }
+
+private:
+
+  virtual size_t GetFormatCount() const;
+  virtual wxDataFormat GetFormat(size_t n) const;
+    
+  wxString   m_id;
+};
+
 // ----------------------------------------------------------------------------
 // A drop target which accepts files (dragged from File Manager or Explorer)
 // ----------------------------------------------------------------------------